1542822 has 16 divisors (see below), whose sum is σ = 3151872. Its totient is φ = 503240.

The previous prime is 1542811. The next prime is 1542823. The reversal of 1542822 is 2282451.

It is a junction number, because it is equal to n+sod(n) for n = 1542792 and 1542801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2454 + ... + 3017.

It is an arithmetic number, because the mean of its divisors is an integer number (196992).

2^1542822 is an apocalyptic number.

1542822 is an abundant number, since it is smaller than the sum of its proper divisors (1609050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1542822 is a wasteful number, since it uses less digits than its factorization.

1542822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5523.

The product of its digits is 1280, while the sum is 24.

The square root of 1542822 is about 1242.1038603917. The cubic root of 1542822 is about 115.5505297918.

The spelling of 1542822 in words is "one million, five hundred forty-two thousand, eight hundred twenty-two".